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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/test262/built-ins/Proxy/ownKeys/trap-is-missing-target-is-proxy.js
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
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Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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diff --git a/js/src/tests/test262/built-ins/Proxy/ownKeys/trap-is-missing-target-is-proxy.js b/js/src/tests/test262/built-ins/Proxy/ownKeys/trap-is-missing-target-is-proxy.js
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+++ b/js/src/tests/test262/built-ins/Proxy/ownKeys/trap-is-missing-target-is-proxy.js
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+// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-proxy-object-internal-methods-and-internal-slots-ownpropertykeys
+description: >
+ If "ownKeys" trap is null or undefined, [[OwnPropertyKeys]] call is
+ properly forwarded to [[ProxyTarget]] (which is also a Proxy object).
+info: |
+ [[OwnPropertyKeys]] ( )
+
+ [...]
+ 4. Let target be O.[[ProxyTarget]].
+ 5. Let trap be ? GetMethod(handler, "ownKeys").
+ 6. If trap is undefined, then
+ a. Return ? target.[[OwnPropertyKeys]]().
+
+ [[OwnPropertyKeys]] ( )
+
+ 1. Let keys be a new empty List.
+ [...]
+ 5. For each integer i starting with 0 such that i < len, in ascending order, do
+ a. Add ! ToString(i) as the last element of keys.
+ [...]
+ 7. For each own property key P of O such that Type(P) is String and P is not an
+ array index, in ascending chronological order of property creation, do
+ a. Add P as the last element of keys.
+ 8. For each own property key P of O such that Type(P) is Symbol, in ascending
+ chronological order of property creation, do
+ a. Add P as the last element of keys.
+ 9. Return keys.
+includes: [compareArray.js]
+features: [Symbol, Proxy, Reflect]
+---*/
+
+var sym = Symbol();
+var string = new String("str");
+string[sym] = 1;
+
+var stringTarget = new Proxy(string, {});
+var stringProxy = new Proxy(stringTarget, {});
+
+assert.compareArray(
+ Reflect.ownKeys(stringProxy),
+ ["0", "1", "2", "length", sym]
+);
+
+reportCompare(0, 0);